Explore in water level rising Of Qinghai Lake

We often read news about the continuous water level rising of Qinghai Lake because of global warming in recent years; it’s really a inspiring news compares to the dropping trend of the lake. Qinghai Lake, which is reputed “eye drop” of the earth, is the biggest inland lake and the biggest salt water lake of China. And it plays an extremely important ecological role, for example, it’s a wetland of international importance, and it is an important ecological barrier and climate condition unit of Qinghai-Tibet Plateau. If Qinghai Lake does not exist, sandstorm from Chaidamu Basin will spread to greater part of China. And the north will become desert. As an important body of water for keeping the ecological security of the northeast part on the Qinghai-Tibet Plateau, Qinghai Lake is not only a natural barrier for preventing the desertification in the west from extending to the east, but also has an important impact on Yellow River valley. On July 30, 2007, special representative of former president Bush, Former Treasury Secretary Henry Paulson made Qinghai province as his first stop during his visit to China, and did a comprehensive survey to the ecological environment control of Qinghai Lake. This might occur for the first time in Qinghai history, for there had never been such high-ranking international official paid special visit to Qinghai before. This explains that Qinghai Lake plays an important role in the world. After gratified with the fact, we can’t refrain from asking, is the water level of Qinghai Lake really rising continuously? How long will this rising tendency keep? Is it good or bad? What’s the influence on the ecological environment? Let’s step into thinkquest.org, and walk into Qinghai Lake, let’s research together!The activities will cultivate our thinking, careful observation, to practice, expression and communication ability！